Customer may report transmission warning lamp illuminated in instrument cluster
Audi technical service bulletin 37 12 73 2031775 for 2013 Audi A4, 2013 Audi A6 and 2013 Audi Q5 and others.
- Bulletin number
- 37 12 73 2031775
- Component
- Power train: automatic transmission: control module (TCM/PCM/tecm)
- Summary
- Customer may report transmission warning lamp illuminated in instrument cluster. DTC P074100 (Torque Converter Clutch Circuit Performance or Stuck Off) is stored in TCM. Diagnostic error in TCM software.
Owners of these vehicles have filed 16 complaints in the transmission category.
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